<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8"/>
		<title>css1</title>
		<style>
			*{
				padding:0px;
				margin:0px;
			}
			#h{
				width:800px;
				height:50px;
				background:blue;
			}
			#h ul{
				list-style-type:none;
			}
			#h ul li{
				float:left;
				line-height:50px;
				color:white;
				margin-left:20px;
			}
		</style>
	</head>
	<body>
		<header>
			<h1>
				<center>
					向昕哲的css1
				</center>
			</h1>
		</header>
		<br/>
		<div id="h">
			<ul>
				<li>呵呵1</li>
				<li>呵呵2</li>
				<li>呵呵3</li>
			</ul>
		</div>
		<br/>
	</body>
</html>